Finding the Fourth Proportional to 42,802.56, 58,933.37 and 38,865.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,802.56 : 58,933.37 = 38,865.96 : x
2. Step 2: Convert to fraction form
   42,802.56/58,933.37 = 38,865.96/x
3. Step 3: Cross multiply
   42,802.56x = 58,933.37 × 38,865.96
4. Step 4: Simplify right side
   42,802.56x = 2,290,502,098.25
5. Step 5: Solve for x
   x = 2,290,502,098.25/42,802.56
6. Step 6: Final answer
   x = 53,513.20